-How is your new babysitter? --We _________ ask for a better one. All our kids l
题型：不详难度：来源：
-How is your new babysitter?
--We _________ ask for a better one. All our kids love her so much.| A．couldn’t | B．might | C．mustn’t | D．should |
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答案
| A |
解析
| 考查情态动词。根据句意“——你们的新保姆怎么样？——我们不能再要求更好的了，孩子们都很喜欢她。”可知，couldn’t 表示“不可能”，符合句意。should表示“应该，应当”；might表示“可能”；mustn’t表示“禁止，不允许”。 |
举一反三
As a student, you must ______ your teachers.| A．show respect for | B．have respect to | C．show respects for | D．have respects to |
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I’m fond of my sister, but she has a serious shortcoming. She _______ be really stubborn.| A．must | B．will | C．can | D．should |
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- Look! It’s raining again.
-- Why _________it rain on Sundays? We are always staying inside! What a nuisance!.| A．need | B．can | C．must | D．should |
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Those natives who _________ move from place to place with their animals in the past have moved into new houses at last.| A．could | B． would | C． might | D．should |
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—Could I please use your computer?
— .| A．Yes, I can. | B．Yes, you can’t | C．Sorry, you can’t | D．No, I can’t. |
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